Here are some of the features typically found in most of the Shoei motorcycle helmet. Ventilation: this is an extremely important feature which can directly affect the comfort of you when you team helmets. Although you should buy a helmet fits with you and doesn't move when you turn your head from side to side; the ventilation holes help remove the hot air and bring in fresh air. Most helmets Shoei V-shaped and discharge vents create negative pressure to the hot air expelled out of the restricted area. The advanced model of Shoei motorcycle helmet can also have the ' Aero ' Ventilations Vortex
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